.ui-layout{	.hd{		background:#999999;		height:60px;		text-align:center;		color:#eeeeee;	}	.bd{		overflow:hidden;		.main,.left,.right{			margin-bottom: -5000px;			padding-bottom: 5000px;		}		.main {			float:left;			width:100%;			background:#ffffff;		}		 		.left {			float:left;			width:190px;			margin-left:-100%;			background:#E79F6D;		}		 		.right {			float:left;			width:230px;			margin-left:-230px;			background:#77BBDD;		}		.in{			margin:0 230px 0 190px		}	}	.fd{		background:#999999;		height:60px;		text-align:center;		color:#eeeeee;	}}